@ARTICLE {SANGINGA:2000a, title = {Phosphorus use efficiency and nitrogen balance of cowpea breeding lines in a low P soil of the derived savanna zone in West Africa}, author = {Sanginga, N. and Lyasse, O. and Singh, B. }, journal = {Plant and Soil}, year = {2000}, volume = {220}, pages = {119--128}, issn = {0032-079X}, note = {CRP Grain Legumes; Cowpea;}, url = {https://doi.org/10.1023/A:1004785720047}, doi = {10.1023/a:1004785720047}, }